README.md in trackler-2.2.1.104

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 [help-page]: http://exercism.io/languages/rust
 [modules]: https://doc.rust-lang.org/book/second-edition/ch07-00-modules.html
 [cargo]: https://doc.rust-lang.org/book/second-edition/ch14-00-more-about-cargo.html
 
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 ## Submitting Incomplete Solutions
 It's possible to submit an incomplete solution so you can see how others have completed the exercise.